Food shortage influences sibling aggression in the blue-footed booby

@article{Drummond1989FoodSI,
  title={Food shortage influences sibling aggression in the blue-footed booby},
  author={H. Drummond and Cecilia Garcia Chavelas},
  journal={Animal Behaviour},
  year={1989},
  volume={37},
  pages={806-819}
}
  • H. Drummond, Cecilia Garcia Chavelas
  • Published 1989
  • Biology
  • Animal Behaviour
  • In the blue-footed booby, Sula nebouxii, the first-hatched chick sometimes eliminates its brood- mate in the first few weeks, when food is short. To test the hypothesis (based on descriptive data) that sibling aggression increases with food deprivation and intensifies when the senior chick's weight is 20-25% below potential, both chicks' necks were taped to inhibit ingestion and behaviour was compared with controls. Under deprivation, pecking increased, rising steeply when seniors were at… CONTINUE READING
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